Plan.roots: def of ezx@1.13.0.0
Import: import ezx@1.13.0.0/src/lock/plan.bend as Plan
Lines 204-212 of ezx@1.13.0.0/src/lock/plan.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.13.0.0/src/lock/plan.bend&start_line=204&end_line=212

import Base
import ezx@1.13.0.0/src/lock/world.bend as W

# every hub package the committed sources import. Every committed `.bend`
# file is a root, so no local import has to be followed, and a file that is
# not committed is never read.
def roots(fs: List<&2, W.Source>) -> List<&2, String>:
  match fs:
    case []:
      []
    case +h <> t:
      List.append(&2, String, roots.one(h), roots(t))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=ezx@1.13.0.0/src/lock/plan.bend&name=roots.one
  https://jend.leeeet.dev/definition.txt?path=ezx@1.13.0.0/src/lock/world.bend&name=Source